Underper or Underpeer: How To spell?

The word Underper is misspelled against Underpeer, a verb meaning "To peer under."

Underpeer has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Underp & r which should not be misspelled with single 'E'
Wrong Spelling: Underp-e-r
Correct Spelling: Underp-ee-r
Explore spell check of Underpeer to spell without errors.